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HTTP ERROR 500 trying to log in to the panel

Posted: 07 Jan 2022, 14:50
by rvd-fotografie
Hi,

Maybe you can help me with the following issue. I'm trying to log in to the back end of my site but can't seem to acces the page.
I'm getting a http error 500

http://www.rvd-fotografie.nl/panel/
https://www.rvd-fotografie.nl/?diagnostics

ThanksĀ 

Re: HTTP ERROR 500 trying to log in to the panel

Posted: 08 Jan 2022, 04:39
by mjau-mjau
This suddenly started happening? Some annoying server-specific thing, possibly related to firewall. I can only look into this with FTP access so I can diagnose be elimination ... Nothing wrong in your ?diagnostics.

Re: HTTP ERROR 500 trying to log in to the panel

Posted: 09 Jan 2022, 14:42
by rvd-fotografie
I don't know if it started suddenly. I haven'tĀ  been logging in on the back end for more than a year now.
I can give you the FTP access. How can i send it to you?

Re: HTTP ERROR 500 trying to log in to the panel

Posted: 09 Jan 2022, 23:36
by mjau-mjau
Do you have hosting control panel with options to choose PHP version? If so, you could try to change from PHP 8 to PHP 7.4 for example. X3 works with PHP 8, but sometimes your hosting will provide different environments for different PHP versions. Since this started failing at some point without reason, the only likely change made on your server is automatically updating the PHP version.

Optionally, you can send login to details to me by private message. Click my profile. I would have preferred to avoid this, because I can't see errors from here, and would need to start diagnosing by eliminating code piece by piece. I would have emailed your hosting about this also, as they have access to error logs, and know what must have happened on your server since it was last working (php upgrades etc).

Re: HTTP ERROR 500 trying to log in to the panel

Posted: 10 Jan 2022, 15:19
by rvd-fotografie
Thanks!

Changing it to PHP 7.4 made it accessible again.

Re: HTTP ERROR 500 trying to log in to the panel

Posted: 11 Jan 2022, 00:59
by mjau-mjau
Ok good. Not a problem running PHP 7.4. If you really need to run PHP 8, we would need to diagnose what firewall mechanism or missing extension is causing the server error. If I was you, I would perhaps try to change to PHP 8+ again in 3-6 months ... In that time, there has likely been minor updates to PHP 8, and your host may have corrected something on their side.

Re: HTTP ERROR 500 trying to log in to the panel

Posted: 12 Jan 2022, 13:53
by rvd-fotografie
Thank you very much, i'll keep that in mind for over 6 months.